Abbott-Smith Manual Greek Lexicon
δευτερό-πρωτος (G1207)
1 *† δευτερό-πρωτος , -ον second-first (in what sense, there is no satisfactory explanation. The reading is prob. not original, v. ICC , in l.; DCG , i, 411; ii, 541, 724): Lk 6:1 , WH, mg., R, mg.†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain